发送一个字符'1'时,异常情况下的数据

HTML Log File Generated By USBTrace

Seq Type Time Request I/O EP DO IRP Status Data Len
#0 URB 3.627934 BULK_OR_INTERRUPT_TRANSFER OUT 2 0x8750D030 0x8B27DE00 STATUS_SUCCESS 1
#1 URB 3.627938 BULK_OR_INTERRUPT_TRANSFER OUT 2 0x89BEE4F8 0x8B27DE00 STATUS_SUCCESS 1
#2 URB 3.627962 BULK_OR_INTERRUPT_TRANSFER IN 2 0x89BEE4F8 0x8B27DE00 STATUS_PENDING 0
#3 URB 3.628176 BULK_OR_INTERRUPT_TRANSFER IN 2 0x89BEE4F8 0x8B27DE00 STATUS_SUCCESS 0
Request # 0 [OUT]

URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER

Parameter

Value

IRP

0x8B27DE00

Status

STATUS_SUCCESS (0x0)

Device Object

0x8750D030


Urb Field

Value

Length

0x48

USBD Status

USBD_STATUS_SUCCESS (0x0)

EndpointAddress

0x2

PipeHandle

0x8A97A51C

TransferFlags

0x0 ( USBD_TRANSFER_DIRECTION_OUT )

TransferBufferLength

0x1

TransferBuffer

0x86F68050

TransferBufferMDL

0x0

UrbLink

0x0


Parameter

Value

Data

31

Request # 1 [OUT]

URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER

Parameter

Value

IRP

0x8B27DE00

Status

STATUS_SUCCESS (0x0)

Device Object

0x89BEE4F8


Urb Field

Value

Length

0x48

USBD Status

USBD_STATUS_SUCCESS (0x0)

EndpointAddress

0x2

PipeHandle

0x8A97A51C

TransferFlags

0x0 ( USBD_TRANSFER_DIRECTION_OUT )

TransferBufferLength

0x1

TransferBuffer

0x86F68050

TransferBufferMDL

0x0

UrbLink

0x0


Parameter

Value

Data

31

Request # 2 [IN]

URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER

Parameter

Value

IRP

0x8B27DE00

Status

STATUS_PENDING (0x103)

Device Object

0x89BEE4F8


Urb Field

Value

Length

0x48

USBD Status

USBD_STATUS_PENDING (0x40000000)

EndpointAddress

0x2

PipeHandle

0x8A97A51C

TransferFlags

0x0 ( USBD_TRANSFER_DIRECTION_OUT )

TransferBufferLength

0x0

TransferBuffer

0x86F68050

TransferBufferMDL

0x87749738

UrbLink

0x0

Request # 3 [IN]

URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER

Parameter

Value

IRP

0x8B27DE00

Status

STATUS_SUCCESS (0x0)

Device Object

0x89BEE4F8


Urb Field

Value

Length

0x48

USBD Status

USBD_STATUS_SUCCESS (0x0)

EndpointAddress

0x2

PipeHandle

0x8A97A51C

TransferFlags

0x0 ( USBD_TRANSFER_DIRECTION_OUT )

TransferBufferLength

0x1

TransferBuffer

0x86F68050

TransferBufferMDL

0x87749738

UrbLink

0x0

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